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Finding the Fourth Proportional to 315,242.06, 473,001.71 and 165,447.23

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Solution

The fourth proportional to 315,242.06, 473,001.71 and 165,447.23 is: 248,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,242.06 : 473,001.71 = 165,447.23 : x
  2. Step 2: Convert to fraction form
    315,242.06/473,001.71 = 165,447.23/x
  3. Step 3: Cross multiply
    315,242.06x = 473,001.71 × 165,447.23
  4. Step 4: Simplify right side
    315,242.06x = 78,256,819,512.52
  5. Step 5: Solve for x
    x = 78,256,819,512.52/315,242.06
  6. Step 6: Final answer
    x = 248,243.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.